ScheduleDetailedDayRenderer.determineLastClickedDate(HtmlSchedule schedule,
java.lang.String dateId,
java.lang.String yPos)
In the detailed day renderer, we take the y coordinate of the mouse
into account when determining the last clicked date.

protected java.util.Date

AbstractCompactScheduleRenderer.determineLastClickedDate(HtmlSchedule schedule,
java.lang.String dateId,
java.lang.String yPos)
In the compact renderer, we don't take the y coordinate of the mouse
into account when determining the last clicked date.